Material&colon; NR&comma; CR&comma; NBR&comma; SBR&comma; Silicone&comma; Nitrile rubber and so on&period;Size&colon; According to your drawing or sample&period;Color&colon; Base on your requirements&lpar;Black is main color&rpar;Hardness&colon;15-90°OEM&colon;Welcome and base on your 2D&comma; 3D drawings or samples